G7c Series

The G7 Sensor Series detects O2, H2S, CO, and LELs, among other gasses, and provides real-time updates to a data center. The G7x Sensors does this through satellite connectivity while the G7c uses 3G communications — the only 3G gas detector available. The sensors can be equipped with single-gas, quad-gas, or standard cartridges, as well as a pump cartridge ideal for leach-check surveys.

Along with detecting gasses, the G7 Series provides real-time information (including location services) to protect lone workers.
The range of the G7 series varies, although distances of up to a mile are generally safe and supported.

General Specifications

Standard G7 Safety Alert Features All safety alerts are transmitted immediately to the Blackline Safety NetworkFall detection and No motion detection: Tri-axis accelerometer, tri-axis gyro, software processing, configurable sensitivity, configurable time window (1-30 mins, or off ) for no motion detection Emergency latch: Pull latch to trigger remote alert Silent emergency: Press and hold latch to trigger remote alert Low-battery: configurable threshold Worker check-in: Configurable timer (5–180 min, or off), automatic check-in when driving
Additional Safety Features Available with Gas Cartridges All gas alerts are transmitted immediately to the Blackline Safety NetworkTime-weighted average (TWA) Short-term exposure limit (STEL) High gas alert Low gas alert Bump test and calibration notification Bump test and calibration failure alert
Size & WeightG7 with Standard Cartridge Size: 64 mm x 124 mm x 27 mm (2.52” x 4.88” x 1.06”) Weight: 162 g (5.7 oz) G7 with Single-gas Cartridge Size: 64 mm x 128 mm x 27 mm (2.52” x 5.04” x 1.06”) Weight: 167 g (5.9 oz) G7 with Quad-gas Cartridge Size: 66 mm x 150 mm x 27 mm (2.52” x 5.91” x 1.06”) Weight: 192 g (6.8 oz)
User Interface168 by 144 pixel graphical, high contrast, liquid crystal display with front lighting, menu system driven by a three-button keypad, power button (on/off), check-in button (check-in/silent emergency), emergency latch (send emergency alert)
User NotificationGreen SureSafe® light: Blinking (powered), continuous (connected) Yellow top and front lights: Personal pending alarm and personal warning alarm Red top and front lights: Remote alert communicated Blue LiveResponse™ top and front lights: Monitoring team confirmation that alert has been acknowledged Personal alarm Indicators: speaker, LEDs and vibration motor Speaker sound pressure level: ~90 dB @ 10 cm (~90 dB @3.94”) Voice calling: Speakerphone and phone modes (G7c model only)
G7c Wireless RadioWireless coverage: ~200 countries North America: 2G/3G radio, GSM 850 MHz, PCS 1900 MHz, 3G UMTS bands 2, 5 and 6 International: 2G/3G radio, E-GSM 900 MHz, DSC 1800 MHz, 3G UMTS bands 1 and 8 Antenna: Internal dual-band
Wireless UpdatesDevice configuration changes: Yes, Device firmware upgrade over-the-air (FOTA): Yes
Location TechnologyGPS Radio: 48-channel high sensitivity Assisted-GPS: Yes GPS Accuracy: ~5 m (16 ft) Outdoors Indoor location technology: Blackline Safety location beacons Location update frequency: G7c 10 sec, G7x 15 min
Power & BatteryRechargeable Li-ion battery: 1250 mAh Li-ion Battery Life: 18 hours continuous operation at 20° C (68° F) Charge time: 4 hours
EnvironmentalStorage temperature: -30°C to 75°C (-22°F to 167°F) Operating temperature: -20°C to 55°C (-4°F to 131°F) Charging temperature: 0°C to 45°C (32°F to 113°F) Ingress Protection: IP67
ApprovalsSAR, RoHS, CE, RCM FCC ID: XPY1CGM5NNN | IC ID: 8595A-1CGM5NNN Intrinsically safe: Class I Division 1 Groups A, B, C, D T4; Class I Zone 0 AEx ia IIC T4 Ga; Ex ia IIC T4 Ga
WarrantyG7: two years Cartridges: Lifetime G7 complete plan: three years
Blackline Live Web ApplicationCloud-hosted safety monitoring web application is highly customizable for every customer requirement. Includes live map, employee address book, user roles, alert management, device configurations, alert setups and reporting
Single-gas and Quad-gas Sensor Options
H2S (Hydrogen Sulfide) Sensor type: Electrochemical Lowest detection limit: 0.5 ppm Upper detection limit: 50 ppm Resolution: 0.1 ppmLEL combustible Sensor type: Infrared Lowest detection limit: ±4 %LEL Upper detection limit: 100 %LEL Resolution: 1 %LELCO (Carbon Monoxide) Sensor type: Electrochemical Lowest detection limit: 1 ppm Upper detection limit: 500 ppm Resolution: 1 ppmO2 (Oxygen) Sensor type: Pumped electrochemical Lowest detection limit: 0.1 %vol Upper detection limit: 25.0 %vol Resolution: 0.1 %volCO2 (Carbon Dioxide) Sensor type: Infrared Lowest detection limit: 50 ppm Upper detection limit: 50000 ppm Resolution: 50 ppmNH3 (Ammonia) Sensor type: Electrochemical Lowest detection limit: 0.5 ppm Upper detection limit: 100.0 ppm Resolution: 0.1 ppm

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